Not unlike the now-defunct Branded gameplan of Special Summoning a useless lock target like Gimmick Puppet Nightmare to the opposing board, this halted any play but without the meager counterplay of Tributing over a bad gift or otherwise sending it to the GY
Similarly, the power of the creature attacking you is checked only when MacCready's second ability triggers
Best played in the mid to late game when your board is already somewhat developed oh geez, can you picture this thing paired with rabbits
If you draft this card, it gets drafted face up, and you can't look at booster packs for the next three cards you draft - you have to draft those cards blind
If that had been the case, then the spots might not have been snapped up quite so fast
Not only that, the card offers double strike which plays into winning through Commander damage, especially if its equipped with a powerful artifact or two